Treasury Chief Secretary Emma Reynolds has declined to rule out the possibility of a wealth tax, as prominent figures, including television presenter Gary Lineker, have publicly called for increased taxation on the wealthy. Reynolds indicated that any major fiscal policy decisions would be unveiled during the upcoming Autumn Budget.

Lineker, along with 120 other affluent individuals, signed a letter urging the government to raise taxes on substantial assets. The letter, organized by a group named Patriotic Millionaires UK, suggests that higher taxes on extreme wealth could help reduce inequality and improve public services. The signatories specifically propose taxing wealth exceeding £10 million at an annual rate of 2 percent.

"I welcome the fact that people of good means are saying that they want to pay more. They can pay more," Reynolds stated when questioned about the calls for a wealth tax. She also suggested that individuals who wish to contribute more could do so voluntarily, pointing to the government's website for information on making payments. However, she reiterated that "any major tax changes would be announced at a Budget."

New Prime Minister Andy Burnham has previously hinted at potential wealth taxes. Last week, he engaged in an interview with Lineker, during which he suggested the government might need to "ask for a little more." Lineker, whose estimated net worth is £30 million, expressed his belief that the wealthiest individuals can and should contribute more to society.

"Paying your fair share is a basic British value, but so many ordinary people are already paying more than they can afford," Lineker said in a statement. "Our richest people can do more and most want to."

Economists have raised concerns about the feasibility and potential impact of a wealth tax. Critics argue that such a tax might generate significantly less revenue than proponents claim and could lead to capital flight, as individuals with substantial assets may move their money out of the country. They also note that a large portion of wealth is often tied up in businesses and other investments, making it complex to tax annually.

During the Sky News interview, Reynolds also sidestepped a question about whether an increase in capital gains tax was being considered, stating, "I'm not going to come on the programme today and make tax announcements."

Conservative Member of Parliament Louie French criticized the signatories, labeling their actions as "virtue signalling" and suggesting that those who wish to pay more tax could do so voluntarily without public declarations. He also commented that wealth is continuing to leave the UK under the current government.